Repatcha without cookies?

I found information on the internets suggesting that cookies could be turned off by adding nocookie=1 to the challenge-request.This information was pretty old and it seems this feature dose not work this way anymore.Can you do it some other way or have this feature simple been removed? -- You received this message because you are subscribed to the Google Groups "reCAPTCHA" group. To unsubscribe from this group and stop receiving emails from it, send an email to recaptcha+unsubscribe@googlegroups.com. To post to this group, send email to recaptcha@googlegroups.com. Visit this group at http://bit.ly/1dkFnYd. For more options, visit http://bit.ly/P65DvS.